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Finding the Fourth Proportional to 171,101.16, 256,647.36 and 46,438.92

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Solution

The fourth proportional to 171,101.16, 256,647.36 and 46,438.92 is: 69,657.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,101.16 : 256,647.36 = 46,438.92 : x
  2. Step 2: Convert to fraction form
    171,101.16/256,647.36 = 46,438.92/x
  3. Step 3: Cross multiply
    171,101.16x = 256,647.36 × 46,438.92
  4. Step 4: Simplify right side
    171,101.16x = 11,918,426,219.25
  5. Step 5: Solve for x
    x = 11,918,426,219.25/171,101.16
  6. Step 6: Final answer
    x = 69,657.19

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.